Home / 1,857,126.12-2,786,312.34-719,925.42

Finding the Fourth Proportional to 1,857,126.12, 2,786,312.34 and 719,925.42

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Solution

The fourth proportional to 1,857,126.12, 2,786,312.34 and 719,925.42 is: 1,080,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,126.12 : 2,786,312.34 = 719,925.42 : x
  2. Step 2: Convert to fraction form
    1,857,126.12/2,786,312.34 = 719,925.42/x
  3. Step 3: Cross multiply
    1,857,126.12x = 2,786,312.34 × 719,925.42
  4. Step 4: Simplify right side
    1,857,126.12x = 2,005,937,081,625.68
  5. Step 5: Solve for x
    x = 2,005,937,081,625.68/1,857,126.12
  6. Step 6: Final answer
    x = 1,080,129.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.